CK In 2U Cologne by Calvin Klein is a fragrance designed for men. It was first introduced in 2007 as a youthful and energetic scent. The top notes of CK In 2U Cologne include lemon and tomato leaf, while the heart notes are composed of cacao pod and pimento. The base notes of the fragrance are composed of vetiver, cedar, and white musk. Overall, this scent is a fresh and spicy fragrance that is perfect for casual occasions and daily wear.